/*
 * Copyright 2023 AntGroup CO., Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 */

package com.antgroup.geaflow.dsl.runtime.traversal.message;

import java.io.Serializable;

public interface MessageBox extends Serializable {

    void addMessage(long receiverId, IMessage message);

    <M extends IMessage> M getMessage(long receiverId, MessageType messageType);

    long[] getReceiverIds();

    MessageBox combine(MessageBox other);

    MessageBox copy();

    default boolean isEmpty() {
        return getReceiverIds() == null || getReceiverIds().length == 0;
    }
}
